FR527864A - Improvements to electrical switches - Google Patents
Improvements to electrical switchesInfo
- Publication number
- FR527864A FR527864A FR527864A FR527864DA FR527864A FR 527864 A FR527864 A FR 527864A FR 527864 A FR527864 A FR 527864A FR 527864D A FR527864D A FR 527864DA FR 527864 A FR527864 A FR 527864A
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- switches
- electrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US342326A US1398981A (en) | 1919-12-04 | 1919-12-04 | Disruption of electric arcs |
Publications (1)
Publication Number | Publication Date |
---|---|
FR527864A true FR527864A (en) | 1921-11-03 |
Family
ID=23341340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR527864A Expired FR527864A (en) | 1919-12-04 | 1920-12-03 | Improvements to electrical switches |
Country Status (2)
Country | Link |
---|---|
US (1) | US1398981A (en) |
FR (1) | FR527864A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2446027A (en) * | 1944-08-19 | 1948-07-27 | Ite Circuit Breaker Ltd | Arc chute |
US2445190A (en) * | 1944-12-20 | 1948-07-13 | Gen Electric | Electric circuit breaker |
US2460118A (en) * | 1945-07-21 | 1949-01-25 | Gen Electric | Circuit interrupter |
US2488308A (en) * | 1946-08-21 | 1949-11-15 | Ohio Brass Co | Trolley section insulator |
US2593970A (en) * | 1946-12-13 | 1952-04-22 | Westinghouse Electric Corp | Trolley conductor insulator |
US2933574A (en) * | 1954-04-26 | 1960-04-19 | Westinghouse Electric Corp | Circuit interrupters |
FR1185131A (en) * | 1957-10-24 | 1959-07-30 | Acec | Adjustment switch under load |
NL203500A (en) * | 1960-04-20 | |||
FR1269359A (en) * | 1960-07-01 | 1961-08-11 | Merlin Gerin | Improvements to an arc extinguishing device |
FR1269358A (en) * | 1960-07-01 | 1961-08-11 | Merlin Gerin | Arc extinguishing method and device |
-
1919
- 1919-12-04 US US342326A patent/US1398981A/en not_active Expired - Lifetime
-
1920
- 1920-12-03 FR FR527864A patent/FR527864A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1398981A (en) | 1921-12-06 |
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